<template>
  <div class="login_container">
    <div class="login_box">
      <!-- logo -->
      <div class="avator_box">
        <img src="@/assets/logo.png" alt="" />
      </div>
      <!-- 登录表单 -->
      <el-form
        label-width="0px"
        class="login_form"
        :model="loginForm"
        :rules="loginFormRules"
        ref="loginFormRef"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            prefix-icon="iconfont icon-yonghu"
            v-model="loginForm.username"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            prefix-icon="iconfont icon-mima"
            v-model="loginForm.password"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetloginFormRef">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script type="text/ecmascript-6">

export default {
  name:'',
  methods:{
    //清空用户名和密码
    resetloginFormRef(){
        this.$refs.loginFormRef.resetFields();
    },
    //判断用户名和密码是否输入符合规则
    login(){
        this.$refs.loginFormRef.validate(async valid=>{
            if(!valid) return;
            const result=await this.$http.post('login',this.loginForm)
            // console.log(result);
            if(result.data.meta.status!==200) return this.$message.error('登录失败');
            this.$message({
                message: '登录成功',
                type: 'success'
            });
            //console.log(result.data.data.token);
            window.sessionStorage.setItem("token",result.data.data.token);
            this.$router.push('/home')
        })
    }
  },
  data() {
    return {
        //表单数据绑定
        loginForm:{
            username:'admin',
            password:'123456',
        },
        //用户名和密码输入规则
        loginFormRules:{
          username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' }
          ]
        }
    }
  },
  components: {

  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #264a6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.avator_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>
